/Engine/Source/Runtime/Core/Public/Math/ConvexHull2d.h
Should be replaced by ComputeConvexHull and tested properly. Keep for backward compatibility until then.
namespace ConvexHull2D { template<typename Allocator> void ConvexHull2D::ComputeConvexHullLegacy2 ( const [TArray](API\Runtime\Core\Containers\TArray)< FVector2D, Allocator > & Points, [TArray](API\Runtime\Core\Containers\TArray)< int32, Allocator > & OutIndices ) }